DECIMAL EQUIVALENT CHART
Drill Size | Decimal | Drill Size | Decimal | Drill Size | Decimal | Drill Size | Decimal | Drill Size | Decimal |
0.10 | .0039 | 54 | .0550 | 26 | .1470 | 17/64 | .2656 | 11.50 | .4528 |
97 | .0059 | 1.40 | .0551 | 25 | .1495 | H | .2660 | 29/64 | .4531 |
96 | .0063 | 1.45 | .0571 | 3.80 | .1496 | 6.80 | .2677 | 11.80 | .4646 |
95 | .0067 | 1.50 | .0591 | 24 | .1520 | 6.90 | .2717 | 15/32 | .4688 |
94 | .0071 | 53 | .0595 | 3.90 | .1535 | I | .2720 | 12.00 | .4724 |
93 | .0075 | 1.55 | .0610 | 23 | .1540 | 7.00 | .2756 | 12.20 | .4803 |
92 | .0079 | 1/16 | .0625 | 5/32 | .1562 | J | .2770 | 31/64 | .4844 |
0.20 | .0079 | 1.60 | .0630 | 22 | .1570 | 7.10 | .2795 | 12.50 | .4921 |
91 | .0083 | 52 | .0635 | 4.00 | .1575 | K | .2810 | 1/2 | .5000 |
90 | .0087 | 1.65 | .0650 | 21 | .1590 | 9/32 | .2812 | 13.00 | .5118 |
89 | .0091 | 1.70 | .0669 | 20 | .1610 | 7.20 | .2835 | 33/64 | .5156 |
88 | .0095 | 51 | .0670 | 4.10 | .1614 | 7.30 | .2874 | 17/32 | .5312 |
87 | .0100 | 1.75 | .0689 | 4.20 | .1654 | L | .2900 | 13.50 | .5315 |
86 | .0105 | 50 | .0700 | 19 | .1660 | 7.40 | .2913 | 35/64 | .5469 |
85 | .0110 | 1.80 | .0709 | 4.30 | .1693 | M | .2950 | 14.00 | .5512 |
84 | .0115 | 1.85 | .0728 | 18 | .1695 | 7.50 | .2953 | 9/16 | .5625 |
0.3 | .0118 | 49 | .0730 | 11/64 | .1719 | 19/64 | .2969 | 14.50 | .5709 |
83 | .0120 | 1.90 | .0748 | 17 | .1730 | 7.60 | .2992 | 37/64 | .5781 |
82 | .0125 | 48 | .0760 | 4.40 | .1732 | N | .3020 | 15.00 | .5906 |
81 | .0130 | 1.95 | .0768 | 16 | .1770 | 7.70 | .3031 | 19/32 | .5938 |
80 | .0135 | 5/64 | .0781 | 4.50 | .1772 | 7.80 | .3071 | 39/64 | .6094 |
0.35 | .0138 | 47 | .0785 | 15 | .1800 | 7.90 | .3110 | 15.50 | .6102 |
79 | .0145 | 2.00 | .0787 | 4.60 | .1811 | 5/16 | .3125 | 5/8 | .6250 |
1/64 | .0156 | 2.05 | .0807 | 14 | .1820 | 8.00 | .3150 | 16.00 | .6299 |
0.4 | .0157 | 46 | .0810 | 13 | .1850 | O | .3160 | 41/64 | .6406 |
78 | .0160 | 45 | .0820 | 4.70 | .1850 | 8.10 | .3189 | 16.50 | .6496 |
0.45 | .0177 | 2.10 | .0827 | 3/16 | .1875 | 8.20 | .3228 | 21/32 | .6562 |
77 | .0180 | 2.15 | .0846 | 12 | .1890 | P | .3230 | 17.00 | .6693 |
0.5 | .0197 | 44 | .0860 | 4.80 | .1890 | 8.30 | .3268 | 43/64 | .6719 |
76 | .0200 | 2.20 | .0866 | 11 | .1910 | 21/64 | .3281 | 11/16 | .6875 |
75 | .0210 | 2.25 | .0886 | 4.90 | .1929 | 8.40 | .3307 | 17.50 | .6890 |
0.55 | .0217 | 43 | .0890 | 10 | .1935 | Q | .3320 | 45/64 | .7031 |
74 | .0225 | 2.30 | .0906 | 9 | .1960 | 8.50 | .3346 | 18.00 | .7087 |
0.60 | .0236 | 2.35 | .0925 | 5.00 | .1969 | 8.60 | .3386 | 23/32 | .7188 |
73 | .0240 | 42 | .0935 | 8 | .1990 | R | .3390 | 18.50 | .7283 |
72 | .0250 | 3/32 | .0938 | 5.10 | .2008 | 8.70 | .3425 | 47/64 | .7344 |
0.65 | .0256 | 2.40 | .0945 | 7 | .2010 | 11/32 | .3438 | 19.00 | .7480 |
71 | .0260 | 41 | .0960 | 13/64 | .2031 | 8.80 | .3465 | 3/4 | .7500 |
0.70 | .0276 | 2.45 | .0965 | 6 | .2040 | S | .3480 | 49/64 | .7656 |
70 | .0280 | 40 | .0980 | 5.20 | .2047 | 8.90 | .3504 | 19.50 | .7677 |
69 | .0292 | 2.50 | .0984 | 5 | .2055 | 9 | .3543 | 25/32 | .7812 |
0.75 | .0295 | 39 | .0995 | 5.30 | .2087 | T | .3580 | 20.00 | .7874 |
68 | .0310 | 38 | .1015 | 4 | .2090 | 9.10 | .3583 | 51/64 | .7969 |
1/32 | .0312 | 2.60 | .1024 | 5.40 | .2126 | 23/64 | .3594 | 20.50 | .8071 |
0.80 | .0315 | 37 | .1040 | 3 | .2130 | 9.20 | .3622 | 13/16 | .8125 |
67 | .0320 | 2.70 | .1063 | 5.50 | .2165 | 9.30 | .3661 | 21.00 | .8268 |
66 | .0330 | 36 | .1065 | 7/32 | .2188 | U | .3680 | 53/64 | .8281 |
0.85 | .0335 | 7/64 | .1094 | 5.60 | .2205 | 9.40 | .3701 | 27/32 | .8438 |
65 | .0350 | 35 | .1100 | 2 | .2210 | 9.50 | .3740 | 21.50 | .8465 |
0.90 | .0354 | 2.80 | .1102 | 5.70 | .2244 | 3/8 | .3750 | 55/64 | .8594 |
64 | .0360 | 34 | .1110 | 1 | .2280 | V | .3770 | 22.00 | .8661 |
63 | .0370 | 33 | .1130 | 5.80 | .2283 | 9.60 | .3780 | 7/8 | .8750 |
0.95 | .0374 | 2.90 | .1142 | 5.90 | .2323 | 9.70 | .3819 | 22.50 | .8858 |
62 | .0380 | 32 | .1160 | A | .2340 | 9.80 | .3858 | 57/64 | .8906 |
61 | .0390 | 3.00 | .1181 | 15/64 | .2344 | W | .3860 | 23.00 | .9055 |
1.00 | .0394 | 31 | .1200 | 6.00 | .2362 | 9.90 | .3898 | 29/32 | .9062 |
60 | .0400 | 3.10 | .1220 | B | .2380 | 25/64 | .3906 | 59/64 | .9219 |
59 | .0410 | 1/8 | .1250 | 6.10 | .2402 | 10.00 | .3937 | 23.50 | .9252 |
1.05 | .0413 | 3.20 | .1260 | C | .2420 | X | .3970 | 15/16 | .9375 |
58 | .0420 | 3.25 | .1280 | 6.20 | .2441 | 10.20 | .4016 | 24.00 | .9449 |
57 | .0430 | 30 | .1285 | D | .2460 | Y | .4040 | 61/64 | .9531 |
1.10 | .0433 | 3.30 | .1299 | 6.30 | .2480 | 10.30 | .4058 | 24.50 | .9646 |
1.15 | .0453 | 3.40 | .1339 | 1/4 | .2500 | 13/32 | .4062 | 31/32 | .9688 |
56 | .0465 | 29 | .1360 | E | .2500 | Z | .4130 | 25.00 | .9843 |
3/64 | .0469 | 3.50 | .1378 | 6.40 | .2520 | 10.50 | .4134 | 63/64 | .9844 |
1.20 | .0472 | 28 | .1405 | 6.50 | .2559 | 27/64 | .4219 | 1" | 1.0000 |
1.25 | .0492 | 9/64 | .1406 | F | .2570 | 10.80 | .4252 | | |
1.30 | .0512 | 3.60 | .1417 | 6.60 | .2598 | 11.00 | .4331 | | |
55 | .0520 | 27 | .1440 | G | .2610 | 7/16 | .4375 | | |
1.35 | .0531 | 3.70 | .1457 | 6.70 | .2638 | 11.20 | .4409 | | |